CN108604168A - Technology for the order terminated based on tube core - Google Patents
Technology for the order terminated based on tube core Download PDFInfo
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- CN108604168A CN108604168A CN201780009831.7A CN201780009831A CN108604168A CN 108604168 A CN108604168 A CN 108604168A CN 201780009831 A CN201780009831 A CN 201780009831A CN 108604168 A CN108604168 A CN 108604168A
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Abstract
Example includes the technology of the order for terminating (ODT) based on tube core.In some instances, value is programmed into the register at memory devices and terminates (RTT) setting to establish one or more internal resistances of ODT at memory devices.Value is also programmed into the register at memory devices to establish the one or more settings for being directed to ODT delay timings.Programming value can be changed to adjust the signal integrity of the memory devices during read or write.
Description
Related case
The application requires following priority application according to 35 U.S.C. § 365 (c):On July 1st, 2016 submits entitled
The U. S. application NO.15/200 of " TECHNIQUES FOR COMMAND BASED ON DIE TERMINATION ", 981, the Shen
Entitled " the TECHNIQUES FOR COMMAND BASED ON DIE submitted on March 4th, 2016 are please required again
The priority of the U.S. Provisional Application 62/303,707 of TERMINATION ".For all purposes, the entire disclosure of these documents
Content is incorporated herein by reference.
Technical field
Example described herein generally relates to carry out the technology of tube core termination at memory devices.
Background technology
In some storage systems coupled with host computer device, provides and terminate (ODT) pin on multiple tube cores to control
Internal resistance processed terminates the value of (RTT) and switches on and off sequential for ODT.These ODT pins usually require host meter
The cooperation between equipment and memory devices is calculated, to consider for the suitable of RTT during the read or write to memory devices
Work as time quantum.ODT signal is typically one in the largest component of the delay between turnaround time delay or read or write.
Description of the drawings
Fig. 1 shows example memory equipment.
Fig. 2 shows example the first register encoding schemes.
Fig. 3 shows example the second register encoding scheme.
Fig. 4 shows the first sequence diagram of example.
Fig. 5 shows the second sequence diagram of example.
Fig. 6 shows example third sequence diagram.
Fig. 7 shows the example block diagram of device.
Fig. 8 shows the example of logic flow.
Fig. 9 shows the example of storage medium.
Figure 10 shows example calculations platform.
Specific implementation mode
As desired by the disclosure, ODT signal is typically the turnover between the read or write at memory devices
One in time delays or the largest component of delay.In addition, the Framework computing for being previously provided to couple with memory devices is set
For to adjust RTT and be removed for new storage being developed for the ODT pin of the on/off time of ODT
Device technology, including but not limited to DDR5 (DDR versions 5 are just being discussed by JEDEC at present), LPDDR5 (LPDDR versions 5, at present by
JEDEC is discussed), HBM2 (HBM version 2s, discussed at present by JEDEC), and/or its of the derivative based on such specification or extension
His new technology.Due to removing ODT pin, logic is enabled at memory devices to allow and the relevant settings of ODT
And/or adjustment during read or write to improve the signal integrity for memory devices.About above and other challenge,
Need example described herein.
Fig. 1 shows example memory device 100.In some instances, as shown in Figure 1, memory devices 100 include
For accessing memory bank 130-1 to 130-n in response to the order received, (wherein " n " is>2 any integer positive integer)
Various logic, feature or circuit.For example, memory devices 100 may include for accessing the outer of memory bank 130-1 to 130-n
Enclose circuit comprising clock generator 101, address command decoder 102, one or more mode registers 103, control logic
110, latch cicuit 140, I/O buffer 150 or DQ pins 160.In addition, each memory bank in memory bank 130-1 to 130-n
Memory bank control 120 can be respectively included, row address buffer 123, column address buffer 121, row decoder 123, senses and puts
Big device 125, column decoder 122 or data control 127.
According to some examples, control logic 110 may include that value can be programmed into one or more mode registers 103
And the RTT values or adjustment for adjusting memory devices 100 using the value are used to open or close the phase of memory devices 100
Answer the logic and/or feature of one or more values of the ODT delay timings of RTT values (" tODTLon/off ").These are shown
Example can be received by address command decoder 102 and be ordered, which includes that value is programmed into one or more mode registers
103 information.As described in more detail below, being programmed into the various values of mode register 103 can be based on for programming value
To one or more encoding schemes of one or more mode registers 103.These values can enable such as control logic 110 it
Logic at the memory devices 100 of class is to carry out with the relevant settings of ODT and/or adjustment to improve during read or write
For the signal integrity of memory devices 100, for example, by adjusting on data/address bus resistance value or timing value reduce ratio
Special mistake.
In some instances, memory devices 100 may include the memory of nonvolatile type, such as DRAM storages
Device.DRAM memory can be arranged to be operated according to the memory technology of various exploitations, and the memory technology may include
But it is (low to be not limited to DDR4 (Double Data Rate (DDR) edition 4, the initial specifications that JEDEC is issued in September, 2012), LPDDR4
Power Double Data Rate (LPDDR) edition 4, JESD209-4 are initially issued by JEDEC in August, 2014), WIO2 (Wide
I/O 2 (WideIO2), JESD229-2 are initially published by JEDEC in August, 2014), HBM (high bandwidth memory DRAM,
JESD235 is initially issued by JEDEC in October, 2013), and/or the derivative based on these specifications or other skills of extension
Art.Memory devices 100 may also include the memory being arranged to according to current above-mentioned memory technology operation being developed,
It may include but be not limited to DDR5, LPDDR5 or HBM2.
Although the memory for the exemplary types that memory devices 100 include has been described as including such as DRAM etc
The memory of volatile type, but the present disclosure is not limited to DRAM.In some instances, it is volatile to consider other for present disclosure
The memory of property type, including but not limited to Double Data Rate synchronous dynamic ram (DDR SDRAM), static random-access are deposited
Reservoir (SRAM), thyristor RAM (T-RAM) or zero capacitor RAM (Z-RAM).In addition, present disclosure considers block addressable
, the memory of nonvolatile type, such as memory associated with NAND or NOR technology.In addition, present disclosure considers
The memory of other nonvolatile types, for example, can byte addressing 3-D cross point memories.These block addressables or byte
The memory of addressable nonvolatile type may include but be not limited to using chalcogenide phase change material (for example, chalkogenide
Glass) nonvolatile type memory, multi-threshold level n AND flash memories, NOR flash memory, single-stage or multi-level phase change memory
(PCM), resistance-type memory, nanometer linear memory, ferroelectric transistor random access memory (FeTRAM), include memristor skill
Magnetoresistive RAM (MRAM) memory or spin transfer torque MRAM (STT-MRAM) of art or any of the above described combination
Or other types of non-volatile.
According to some examples, memory devices 100 can be included in dual inline memory modules (DIMM)
One in multiple memory devices or tube core.DIMM can be designed as the DIMM (RDIMM) registered, load reduction
DIMM (LRDIMM), the DIMM (FB-DIMM) completely buffered, without buffered DIMM (UDIMM) or small shape (SODIMM).Example is not
It is only limitted to these DIMM designs.
Fig. 2 shows exemplary register encoding schemes 200.In some instances, exemplary coding schemes 200 can wrap
3 place values are included, to be programmed to the various RTT of such as memory devices of memory devices 100 etc settings.Such as institute in Fig. 2
Show, table 210 includes the programmable setting for RTT_PARK, the table 220 for RTT_WR (WR=write-ins), is used for RTT_NOM_
The table 230 of WR and the table 240 for being used for RTT_NOM_RD (RD=readings).It is and various as unit of ohm for these examples
Resistance setting (for example, non-essential resistance (RZQ)) relevant value can be programmed (for example, by control logic 110) and arrive memory
One or more registers of equipment, the mode register 103 of such as memory devices 100 can be based on table 210,220,230
Or 240 be programmed into mode register 103.Then each value for including in these tables can be used (for example, passing through control
Logic 110) value of RTT_PARK, RTT_WR, RTT_NOM_WR or RTT_NOM_RD are adjusted, in the read or write phase
Between improve or optimization memory devices signal integrity.
Fig. 3 shows example register encoding scheme 300.In some instances, example coding scheme 300 may include 3
Place value, to be programmed to the various tODTL/off of such as memory devices of memory devices 100 etc settings.In Fig. 3
Shown, table 310 includes the programmable setting for tODTLon_WR, the table 320 for tODTLoff_WR, is used for tODTLoff_
The table 330 of WR_NT (NT=is non-targeted), the table 350 for tODTLon_RD, is used for the table 340 for tODTLoff_WR_NT
The table 360 of tODTLoff_RD, the table 370 for tODTLon_RD_NT and the table 380 for tODTLoff_RD_NT.For this
A little examples, the value in these tables can be the adjustment based on clock unit to the various default settings for tODTL, the clock list
Member can be the part of clock cycle, single clock cycle or multiple clock cycle.Adjustment can release (+value) or pull in (-
Value) it is directed to the setting of tODTLon/off, (for example, by control logic 110) can be programmed and arrive such as memory devices
One or more registers of the memory devices of 100 mode register 103 etc.As described in more detail below, then
Can using these values (for example, passing through control logic 110) come adjust for tODTLon_WR, tODTLoff_WR,
TODTLoff_WR_NT, tODTLoff_WR_NT, tODTLon_RD, tODTLoff_RD, tODTLon_RD_NT or tODTLoff_
The setting of RD_NT during read or write to improve or adjust the signal integrity of memory devices.
Fig. 4 shows example sequence diagram 400.In some instances, sequence diagram 400 as shown in Figure 4 shows description
The timing of turnover is write for reading for the same row in two different rows.For these examples, two different rows can use
In DIMM (D0) and it is illustrated as R0 and R1.At least some elements of memory devices 100 shown in Fig. 1 can be used for describing
Taken action related to sequence diagram 400.Example is not limited to use in the element of the memory devices 100 of sequence diagram 400.
In some instances, it is used to establish the setting for RTT_PARK, RTT_WR, RTT_NOM_WR and RTT_NOM_RD
Value can be programmed or store the mode register 103 for being included in the memory devices in R0 or R1.It can pass through
It is compiled according to the different value kept in the respective table 210 of register encoding scheme 200,220,230 and 240 pairs of mode registers
Journey changes these values, as shown in Fig. 2, to adjust or improve the signal integrity of memory devices.For example, the D0 for R1
The RZQ values of RTT_NOM_RD may include mode register, such as mode register 103, be initially based on table 240 and be programmed
It, may be during read operation to the signal integrity of the memory devices included in R0 to be arranged with 80 ohm of resistance
It has a negative impact.In order to improve the signal integrity for being included in the memory devices in R0 during read operation, can to
It is reprogramed with will be electric according to the table 240 of register encoding scheme 200 in the mode register 103 of these memory devices
Resistance setting changes into 40 ohm or 120 ohm.In addition, the RTT_NOM_WR for the memory devices being included in R0 may include mould
Formula register, such as mode register 103 are initially based on the resistance that table 330 is programmed with 240 ohm, may be
It has a negative impact to the signal integrity of the R0 memory devices for including during write operation.In order to improve during read operation
Be included in the signal integrity of the memory devices in R0, can according to the table 240 of register encoding scheme 200 to such as
The mode register of the mode register 103 of these memory devices etc is reprogramed to change less than 240 ohm
Resistance is arranged.
According to some examples, sequence diagram 400 shows the Read-0 orders in order (CMD) bus, is directed or fixed
Target is D0 and 0 (D0R0CS0) of row, is followed by the Write-0 orders for same row.For these examples, tODTLon_WR,
The value of tODTLoff_WR, tODTLon_WR_NT and tODTLoff_WR_NT can be based on according to register encoding schemes 300
Respective table 310,320,330 and 340 programs or the mode register (such as mode register 103) for write order is arrived in storage
Value.In addition, tODTLon_RD, tODTLoff_RD, tODTLon_RD_NT and tODTLoff_RD_NT can be based on according to deposit
The respective table 350,360,370 and 380 of device encoding scheme 300 programs or the mode register 103 for read command is arrived in storage
Value.
According to some examples, can be directed to by the way that different value is programmed into mode register 103 to change to be used to establish
The value of the setting of tODTLon/off, with further improve be included in during read operation the memory devices in R0 signal it is complete
Whole property.For example, when sending read command based on D0R0CS0 with signal form, the memory devices being included in R0 can be directed to
Activate read line (RL), and this can start for tODTLon_RD and tODTLoff_RD be included in target row R0 in and
It is included in the timer of the memory devices in non-targeted row Rl for tODTLon_RD_NT and tODTLoff_RD_NT.For
The setting of tODTLon_RD can indicate the time quantum before the ODT resistance values of RTT_RD are activated.For tODTLoff_RD's
The time quantum that can be indicated before the ODT resistance values in RTT_RD are deactivated or disable is set.For setting for tODTLon_RD_NT
Set the time quantum before the ODT resistance values that can indicate that RTT_NOM_RD is activated or enabled after activating RL.For
The setting of tODTLoff_RD_NT can indicate the time quantum before the ODT resistance values in RTT_NOM_RD are deactivated or disable.
According to some examples, if the setting for tODTLon_RD_NT or tODTLoff_RD_NT is too short or too long,
The signal integrity for the memory devices that R0 includes during read operation may become negatively affected.If by negative shadow
It rings, then register encoding scheme 300 according to Fig.3, can again be compiled from acquiescence timing value (for example, 10 clock-units)
Journey be such as included in the mode register of mode register 103 in these memory devices etc with according to table 370 from
The acquiescence timing value of tODTLon_RD_NT release (+value) or pull in (- value) time span and/or according to table 380 from
The acquiescence timing value of tODTLoff_RD_NT releases (+value) or pulls in (- value) time span.This, which is reprogramed, to make
RTT_NOM_RD in sequence diagram 400 by compression (less clock unit) or extension (more clock units), for be directed to including
The read command of memory devices in R0.
In some instances, it if the setting for tODTLon_RD or tODTLoff_RD is too short or too long, is reading to grasp
The signal integrity for the memory devices that R0 includes during work may also become negatively affected.If become negatively affected,
Register encoding scheme 300 according to Fig.3, can reprogram included in these memory devices from acquiescence timing value
Such as mode register 103 etc mode register, with released from the acquiescence timing value of tODTLon_RD according to table 350 (+
Value) or pull in (- value) time span and/or (+value) is released from the acquiescence timing value of tODTLoff_RD according to table 360 or is drawn
Enter (- value) time span.This, which is reprogramed, can make RTT_RD in sequence diagram 400 by compression (less clock unit) or expansion
It opens up (more clock units), for the read command for the memory devices being included in R0.
According to some examples, can be changed for tODTLon/off by the way that different value is programmed into mode register 103
Setting, further to improve the signal integrity for being included in the memory devices in R0 during write operation.For example, when being based on
When D0R0CS0 sends write order with signal form, it can be directed to the memory devices activation write line (WL) being included in R0, and
And this can start for tODTLon_WR and tODTLoff_WR be included in target row R0 in and be directed to tODTLon_WR_NT
It is included in the timer of the memory devices in non-targeted row Rl with tODTLoff_WR_NT.Setting for tODTLon_WR can
To indicate the time quantum before the ODT resistance values of RTT_WR are activated.Setting for tODTLoff_WR can be indicated in RTT_
The ODT resistance values of WR be deactivated or disable before time quantum.Setting for tODTLon_WR_NT can be indicated in activation WL
Activate or enable later the time quantum before the ODT resistance values of RTT_NOM_WR.Setting for tODTLoff_WR_NT can be with
Indicate the time quantum before the ODT resistance values of RTT_NOM_WR are deactivated or disable.
In some instances, if the setting for tODTLon_WR_NT or tODTLoff_WR_NT is too short or too long,
The signal integrity for the memory devices that R0 includes during write operation may become negatively affected.If by negative shadow
It rings, then register encoding scheme 300 that can be according to Fig.3, reprograms mode register 103 to be directed to according to table 330
The acquiescence timing value change value of tODTLon_WR_NT is to release (+value) or pull in (- value) time span and/or according to table 340
For the acquiescence timing value change value of tODTLoff_WR_NT to release (+value) or pull in (- value) time span.This is compiled again
Journey can make RTT_NOM_WR, by compression (less clock unit) or extension (more clock units), be used in sequence diagram 400
In the write order for the memory devices being included in R0.
According to some examples, if the setting for tODTLon_WR or tODTLoff_WR is too short or too long, behaviour is being write
The signal integrity for the memory devices that R0 includes during work may also become negatively affected.It, can if become negatively affected
With register encoding scheme 300 according to Fig.3, mode register 103 is reprogramed to be directed to tODTLon_ according to table 310
The acquiescence timing value change value of WR is to release (+value) or pull in (- value) time span and/or be directed to according to table 320
The acquiescence timing value change value of tODTLoff_WR is to release (+value) or pull in (- value) time span.This is reprogramed can be with
So that RTT_WR in sequence diagram 400 by compression (less clock unit) or extension (more clock units), for be directed to including
The write order of memory devices in R0.
Fig. 5 shows example sequence diagram 500.In some instances, sequence diagram 500 as shown in Figure 5, which depicts, is directed to
The timing for being written to write-in turnover of difference row.For these examples, different rows can be used for DIMM (D0) and be shown as
R0 and R1.At least some elements of memory devices 100 shown in Fig. 1 can be used for describing taken related to sequence diagram 500
Action.Example is not limited to use in the element of the memory devices 100 of sequence diagram 500.
Similar with what is mentioned in Fig. 4, the value for establishing the setting for being directed to RTT_PARK, RTT_WR and RTT_NOM_WR can
To be programmed or store mode register, such as mode register 103.It can be by being compiled according to register as shown in Figure 2
Corresponding table 210,220, the 230 and 240 pairs of different values being maintained in mode register of code scheme 200 are programmed to change
These values.
According to some examples, sequence diagram 500 shows the Write-0 orders in CMD buses, is directed or target is directed toward
D0 and R0 (D0R0CS0), is followed by the Write-1 orders for memory devices D0 and R1 (D0Rl CS1).These are shown
The value of example, tODTLon_WR, tODTLoff_WR, tODTLon_WR_NT and tODTLoff_WR_NT can be based on according to register
The respective table 310,320,330 and 340 of encoding scheme 300 and program or storage to mode register 103 for write order
Value.As previously mentioned, according to one or more example register encoding schemes, it can be by the way that different value be programmed into mode register
103 change these values.
In some instances, it is similar to sequence diagram 400 shown in Fig. 4, can be posted by the way that different value is programmed into pattern
Storage 103 come change for establish be directed to tODTLon/off setting value, be included in during write operation with further improving
The signal integrity of memory devices in R0.For example, when sending write order based on D0R0CS0 with signal form, it can be with needle
Write line (WL) activated to the memory devices being included in R0, and this can start for tODTLon_WR and
The timer of the target row RO of tODTLoff_WR.For tODTLon_WR setting can indicate after activating WL activation or
Enable the time quantum before the ODT resistance values of RTT_WR.Setting for tODTLoff_WR can indicate the ODT in RTT_WR
Resistance value be deactivated or disable before time quantum.
According to some examples, if the setting for tODTLon_WR or tODTLoff_WR is too short or too long, behaviour is being write
The signal integrity for the memory devices that R0 includes during work may become negatively affected.It, can be with if become negatively affected
Register encoding scheme 300 according to Fig.3, from acquiescence timing value reprogram mode register 103 with according to table 330 from
The acquiescence timing value of tODTLon_WR releases (+value) or pulls in (- value) time span and/or according to table 340 from tODTLoff_
The acquiescence timing value of WR releases (+value) or pulls in (- value) time span.This, which is reprogramed, to make RTT_WR in sequence diagram
By compression (less clock unit) or extension (more clock units) in 400, for for the memory devices being included in R0
Write order.
In some instances, it can carry out to the adjustment for tODTLon_WR_NT and the setting of tODTLoff_WR_NT,
Similar to the adjustment mentioned above for sequence diagram 400, set with being included in the memory in R0 during further improving write operation
Standby signal integrity.When write order is directed to the memory devices being included in R0, adjustment may cause to be included in R0
The RTT_NOM_WR of memory devices is compressed or is extended.
According to some examples, when target row is switched to R1, when the write line for the memory devices being included in R1 is swashed
When living, it can start for the non-targeted of tODTLon_WR, tODTLon_WR_NT, tODTLoff_WR and tODTLoff_WR_NT
Arrange the setting (not shown in FIG. 5 for R1, tODTLon_WR and tODTLoff_WR) of R0 and fresh target row R1.If desired,
It can be by being programmed into different value including the mode register (such as, mode register 103) in these memory devices
Come further adjust or change for tODTLon/off these setting, with may improvement be included in R1 during write operation
In memory devices signal integrity.
Fig. 6 shows example sequence diagram 600.In some instances, sequence diagram 600 as shown in Figure 6, which depicts, is directed to
Difference row's reads the timing for reading turnover.For these examples, different rows can be used for DIMM (D0) and be shown as
R0 and R1.At least some elements of memory devices 100 shown in Fig. 1 can be used for describing relevant dynamic with sequence diagram 600
Make.Example is not limited to use in the element of the memory devices 100 of sequence diagram 600.
It is similar with what is mentioned in Fig. 4, the value for establishing the setting for being directed to RTT_PARK and RTT_NOM_RD can be compiled
The mode register of such as mode register 103 etc is arrived in journey or storage.It can be by being encoded according to register as shown in Figure 2
The corresponding table 210,220,230 and 240 of scheme 200, is programmed the different value kept in these mode registers to adjust
These whole values.
According to some examples, sequence diagram 600 shows the Read-0 orders in CMD buses, is directed or target is directed toward
D0 and R0 (D0R0CS0) is followed by the Read-1 orders (D0Rl CS 1) for memory devices D0 and R1.These are shown
The value of example, tODTLon_RD, tODTLoff_RD, tODTLon_RD_NT and tODTLoff_RD_NT can be based on according to register
The respective table 350,360,370 and 380 of encoding scheme 300 programs or mode register (such as mode register 103) is arrived in storage
For the value of read command.As previously mentioned, can be by the way that according to one or more example register encoding schemes, different value be compiled
Journey changes these values to mode register (such as mode register 103).
In some instances, it is similar to sequence diagram 400 shown in Fig. 4, for establishing the setting for tODTLon/off
Value can be adjusted by the way that different value is programmed into mode register 103, be included in during read operation with further improving
The signal integrity of memory devices in R0.For example, when sending read command based on D0R0CS0 with signal form, it can be with needle
To the memory devices activation read line (RL) being included in R0, and this can start for tODTLon_RD and
TODTLoff_RD is included in target row R0 and is included in for tODTLon_RD_NT and tODTLoff_RD_NT non-targeted
Arrange the timer of the memory devices in Rl.As previously described.If being directed to tODTLon_RD, tODTLoff_RD tODTLon_
The setting of RD_NT or tODTLoff_RD_NT is too short or too long, then is included in the memory devices in R0 during read operation
Signal integrity may become negatively affected.If become negatively affected, mode register (such as mode register 103) can be with
It is reprogrammed to be directed to for tODTLoff_RD, according to table 370 for tODTLon_RD, according to table 360 according to table 350
TODTLon_RD_NT, and/or for being directed to tODTLoff_RD_NT according to table 380, for default time value release (+value) or
(- value) time span is pulled in, is all shown in FIG. 3.This, which is reprogramed, can make RTT_RD and/or RTT_NOM_RD exist
By compression (less clock unit) or extension (more clock units) in sequence diagram 600, for for the storage being included in R0
The read command of device equipment.
According to some examples, as shown in fig. 6, when target row is switched to R1, it can be in the storage for being included in R1
Start when the read line of device equipment is activated and is directed to tODTLon_RD, tODTLon_RD_NT, tODTLoff_RD and tODTLoff_
The setting of non-targeted row R0 and fresh target the row R1 of RD_NT (is not shown R1, tODTLon_RD and tODTLoff_RD in figure 6
Go out).In other words, it is included in the memory devices in R0 and now becomes to the memory devices being included in non-targeted row.If
It needs, can be directed to by the way that different value is programmed into mode register (such as mode register 103) further to adjust
The setting of tODTLon/off, the signal integrity for being included in the memory devices in R1 during read operation may be improved.
Fig. 7 shows the exemplary block diagram of device 700.Although shown in fig. 7 set 700 in particular topology with limited
The element of quantity, it can be appreciated that, device 700 can be wrapped according to the needs of given realization method in alternate topologies
Include more or fewer elements.
Device 700 can be supported by circuit system 720, and device 700 can be in memory devices or memory system
The controller or controller logic safeguarded at system.Memory devices can be maintained in the DIMM for maying be coupled to host computing platforms
On.Circuit system 720 can be arranged to execute component, module or the logic 722-a that one or more softwares or firmware are realized
(for example, at least partly by the Implementing Memory Controllers of storage device).It is worth noting that, " a " used herein, " b " and
" c " and similar indicator are intended to indicate that the variable of any positive integer.Thus, for example, if realization method is arranged a=3's
Value, then may include logic 722-1,722-2 or 722- for logic, the complete software of component or module 722-a or firmware collection
3.Moreover, at least part of " logic " can be stored in the software/firmware in computer-readable medium, and although Fig. 7
In show logic as discrete box, logic is not limited to different computer-readable medium components (for example, individually depositing by this
Reservoir etc.) in storage.
According to some examples, circuit system 720 may include processor or processor circuit.Processor or processor circuit can
To be any one of various commercially available processors, including but not limited to WithProcessor;Application program, embedded and safe processor;With
WithProcessor;IBM andCell processor;Core(2)Core i3、Core i5、Core i7、XeonWithProcessor;And similar processor.According to some examples, circuit system 720 can also include one or more
Application-specific integrated circuit (ASIC), and at least some logic 722-a may be implemented as the hardware element of these ASIC.
According to some examples, device 700 may include programmed logic 722-1.Programmed logic 722-1 can be by circuit system
System 720 is executed and is directed to so that one or more groups of values are programmed into the register at memory devices with being established at memory devices
One or more RTT of ODT are arranged and establish the logic and/or feature of one or more settings for tODTLon/off.It is right
In these examples, one or more groups of values can be RTT values or tODTLon/off values.Value can be based on RTT information 705 or
TODTLon/off information 715.
In some instances, device 700 can also include RTT logics 722-2.RTT logics 722-2 can be by circuit system
System 720 is executed to change by the logic and/or feature of one or more of the programmed logic 722-1 values programmed, programmed logic
722-1 establishes RTT and is arranged to adjust the signal integrity of the memory devices during read or write.For these examples, RTT
It may include the one or more RTT settings changed by RTT logics 722-2 to be arranged 730.
According to some examples, device 700 can also include tODTLon/off logics 722-3.TODTLon/off logics
722-3 can be executed to be directed to adjust by one or more values that programmed logic 722-1 is programmed to change by circuit system 720
The one or more of tODTLon/off are arranged to adjust the logic of the signal integrity of memory devices during read or write
And/or feature.For these examples, tODTLon/off timings 740 may include being changed by tODTLon/off logics 722-3
One or more tODTLon/off values.
Include herein is one group of logic flow of the exemplary method for indicating the novel aspect for executing disclosed framework
Journey.Although for simplicity of illustration, one or more methods shown in this article are shown and described as a series of actions,
It will be appreciated by those skilled in the art that and, it is realized that these methods are not limited by the order of acts.Accordingly, some actions can be with not
Same sequence occurs and/or occurs simultaneously with other actions illustrated and described here.For example, those skilled in the art will manage
It solves and, it is realized that method can be alternatively represented as a series of be mutually related state or events, such as in state diagram.This
Outside, and behavior described in not all method all may be necessary to novel realization method.
Logic flow can be realized with software, firmware and/or hardware.In software and firmware embodiments, logic flow
It can be by being stored at least one non-transitory computer-readable medium or machine readable media (such as optics, magnetism or half
Conductor memory) on computer executable instructions realize.Embodiment is unrestricted in this context.
Fig. 8 shows the example of logic flow 800.Logic flow 800 can be indicated by one or more described herein
Some or all of the operation that logic, feature or equipment (for example, device 800) execute.More specifically, logic flow 800 can
To be realized by one or more of programmed logic 722-1, RTT logic 722-2 or tODTLon/off logic 722-3.
According to some examples, the logic flow 800 at frame 802 can be at the controller for memory devices by first
Class value is programmed into first group of register at memory devices, and one or more RTT is established to be directed to ODT at memory devices
Setting.For these examples, the first class value can be programmed into first group of register by programmed logic 722-1.
In some instances, the second class value can be programmed at memory devices by the logic flow 800 at frame 804
Two groups of registers are set with being established from one or more RTT of memory devices settings for being used to open or close corresponding RTT
The one or more settings for the ODT delay timings (tODTL) set.For these examples, programmed logic 722-1 can be by second group
Value is programmed into second group of register.
According to some examples, the first class value can be changed to first group of register or by the by the logic flow 800 at frame 806
Two class values change to second group of register to adjust the signal integrity of the memory devices during read or write.For these
Example, RTT logics 722-2 can change one or more of the first class value value with adjust signal integrity and/or
TODTLon/off logics 722-3 can change one or more of the second class value value, also to adjust signal integrity.
Fig. 9 instantiates the example of the first storage medium.As shown in figure 9, the first storage medium includes storage medium 900.It deposits
Storage media 900 may include product.In some instances, storage medium 900 may include that any non-transitory is computer-readable
Medium or machine readable media, such as optics, magnetism or semiconductor storage.Storage medium 900 can store various types of meters
Calculation machine executable instruction, such as instruction for realizing logic flow 800.It is computer-readable or machine readable storage medium to show
Example may include can store any tangible medium of electronic data, including volatile memory or nonvolatile memory, can
Mobile or non-removable memory, erasable or nonerasable memory, writeable or recordable memory etc..Computer can be held
The example of row instruction may include the code of any suitable type, such as source code, compiled code, interpretive code, executable generation
Code, static code, dynamic code, object-oriented code, visual code etc..Example is unrestricted in this regard.
Figure 10 shows example calculations platform 1000.In some instances, as shown in Figure 10, computing platform 1000 can wrap
Include storage system 1030, processing component 1040, other platform assemblies 1050 or communication interface 1060.According to some examples, meter
Calculating platform 1000 can realize in computing device.
According to some examples, storage system 1030 may include controller 1032 and memory devices 1034.For this
A little examples, residing in logic and/or feature at controller 1032 or at controller 1032 can execute for device 700
At least some processing operations or logic and may include the storage medium for including storage medium 900.In addition, memory is set
Standby 1034 may include the volatibility or nonvolatile memory (not shown) of similar type, shown in Fig. 1
Memory devices 100 be described.In some instances, controller 1032 can be identical with memory devices 1034
A part for tube core.In other examples, controller 1032 and memory devices 1034 can be located at same tube core with processor
Or on integrated circuit (e.g., including in processing component 1040).In other examples, controller 1032 can with memory
In single tube core or integrated circuit that equipment 1034 couples.
According to some examples, processing component 1040 may include the combination of various hardware elements, software element or both.Firmly
The example of part element may include equipment, logical device, component, processor, microprocessor, circuit, processor circuit, circuit elements
Part (such as transistor, resistor, capacitor, inductor etc.), integrated circuit, ASIC, programmable logic device (PLD), number
Signal processor (DSP), FPGA/ programmable logic, memory cell, logic gate, register, semiconductor devices, chip, micro- core
Piece, chipset etc..The example of software element may include component software, program, application, computer program, application program, be
System program, software development procedures, machine program, operating system software, middleware, firmware, software module, routine, subroutine, letter
Number, method, program, software interface, API, instruction set, calculation code, computer code, code segment, computer code segments, word,
Value, symbol or any combination thereof.Determining whether to carry out implementation example using hardware element and/or software element can be according to arbitrary number
The factor of amount and change, all computation rates as desired, power level, thermal capacitance be poor, processing cycle budget, input data rate,
Output data rate, memory resource, data bus speed and other designs or performance constraints, as given example is required.
In some instances, other platform assemblies 1050 may include public computing element, such as one or more processing
Device, coprocessor, memory cell, chipset, controller, peripheral equipment, interface, oscillator, is periodically set multi-core processor
Standby, video card, audio card, multimedia I/O components (for example, digital display), power supply etc..With other platform assemblies 1050 or deposit
The example of 1030 associated memory cell of storage system can include but is not limited to, one or more high-speed memory unit shapes
The various types of computer-readable and/or machine readable storage medium of formula, such as read-only memory (ROM), RAM, DRAM,
DDR DRAM, synchronous dram (SDRAM), DDR SDRAM, SRAM, programming ROM (PROM), EPROM, EEPROM, flash memory, iron
Electrical storage, SONOS memories, the polymer memory of such as ferroelectric polymer memory etc, nano wire, FeTRAM or
FeRAM, ovonic memory, phase transition storage, memristor, STT-MRAM, magnetic or optical card and times suitable for storing information
What other kinds of storage medium.
In some instances, communication interface 1060 may include the logic and/or feature for supporting communication interface.For
These examples, communication interface 1060 may include being operated with logical by direct or network according to various communication protocols or standard
One or more communication interfaces that letter link is communicated.Direct communication can be by using one or more professional standards (packet
Include offspring and variant) described in communication protocol or standard occurred by direct interface, professional standard be, for example, with SMBus advise
Model, PCIe specification, NVMe specifications, SATA specification, SAS specification or those associated professional standards of USB specification.Network communication can
With by using communication protocol or standard (such as the agreement described in one or more ethernet standards for announcing of IEEE or mark
It is accurate) occurred by network interface.For example, a kind of such ethernet standard may include IEEE 802.3-2012, have conflict
Carrier Sense Multiple Access (CSMA/CD) access method and physical layer specification of detection, in December, 2012 are issued (hereinafter referred to as
“IEEE 802.3”)。
Computing platform 1000 can be a part for computing device, which can be such as user equipment, calculate
Machine, personal computer (PC), desktop computer, laptop computer, notebook computer, netbook computer, tablet computer,
Smart phone, embedded electronic product, gaming platform, server, server array or server zone, web server, network clothes
Be engaged in device, Internet Server, work station, minicomputer, mainframe type computer, supercomputer, the network equipment, web appliance,
Distributed computing system, multicomputer system, processor-based system or combinations thereof.Therefore, in the case that appropriate desired,
Function and/or the spy of computing platform 1000 described herein can be included or omitted in the various embodiments of computing platform 1000
Fixed configuration.
Computing platform can be realized using any combinations of discrete circuit, ASIC, logic gate and/or single-chip framework
1000 component and feature.In addition, the feature of computing platform 1000 can use microcontroller, programmable logic array and/or
Microprocessor or appropriate suitable any combinations above-mentioned are realized.Note that hardware, firmware and/or software element can be at these
It is referred to as in text or is individually referred to as " logic ", " circuit " or " circuit system ".
At least one exemplary one or more aspects can represent various logic in processor extremely by being stored in
The representative instruction that is stored on a few machine readable media realizes, the representative instruction by machine, computing device or
System makes machine, computing device or system to manufacture logic to execute technique described herein when reading.Such expression can be with
It is stored on tangible machine readable media and is provided to various clients or manufacturing facility and patrolled with being loaded into practical manufacture
Volume or the manufacture machine of processor in.
Various examples can be realized using the combination of hardware element, software element or both.In some instances, hardware
Element may include equipment, component, processor, microprocessor, circuit, circuit element (such as transistor, resistor, capacitor,
Inductor etc.), integrated circuit, ASIC, PLD, DSP, FPGA, memory cell, logic gate, register, semiconductor devices, core
Piece, microchip, chipset etc..In some instances, the example of software element may include component software, program, application, meter
Calculation machine program, application program, system program, machine program, operating system software, middleware, firmware, software module, routine, son
Routine, function, method, program, software interface, API, instruction set, calculation code, computer code, code segment, computer code
Section, word, value, symbol or any combination thereof.Determining whether to carry out implementation example using hardware element and/or software element can basis
Any number of factor and change, all computation rates as desired, power level, thermal capacitance be poor, processing cycle budget, input data
Rate, output data rate, memory resource, data bus speed and other designs or performance constraints, are such as realized according to given
It is required.
Some examples may include product or at least one computer-readable medium.Computer-readable medium may include using
In the non-transitory storage medium of storage logic.In some instances, non-transitory storage medium may include that can store electricity
The computer readable storage medium of one or more types of subdata, including volatile memory or nonvolatile memory,
Removable or non-removable memory, erasable or nonerasable memory, writeable or recordable memory etc..Show at some
In example, logic may include various software elements, such as component software, program, application, computer program, application program, system
It is program, machine program, operating system software, middleware, firmware, software module, routine, subroutine, function, method, process, soft
Part interface, API, instruction set, calculation code, computer code, code segment, computer code segments, word, value, symbol or its is any
Combination.
According to some examples, computer-readable medium may include for store or the non-transitory of maintenance instruction storage be situated between
Matter, described instruction by machine, computing device or system when being executed so that machine, computing device or system are shown according to described
Example executes method and/or operation.Instruction may include the code of any suitable type, such as source code, compiled code, explanation
Code, executable code, static code, dynamic code etc..Instruction can be according to predefined computer language, mode or grammer
It realizes, is used to indicate machine, computing device or system to execute a certain function.Instruction can use it is any suitable it is advanced,
Rudimentary, object-oriented, visual, compiling and/or the programming language explained are realized.
Some examples can be described using expression " example " or " example " and its derivative words.These terms mean
Include at least one example in conjunction with a particular feature, structure, or characteristic that the example describes.Each place in the description
The appearance of phrase " in one example " be not necessarily all referring to same example.
Some examples can be described using expression " coupling " and " connection " and their derivative words.These terms differ
Surely it is intended to as mutual synonym.For example, can indicate two or more using the description of term " connection " and/or " coupling "
Multiple element physically or electrically contacts directly with one another.However, term " coupling " may also mean that two or more elements each other
It is not directly contacted with, but still is fitted to each other or interacts.
Following example is related to the other examples of presently disclosed technology.
1. exemplary device of example may include the controller for memory devices, which includes logic, logic
At least part may include hardware.First class value can be programmed into first group of register at memory devices by logic, with
The one or more RTT established at memory devices for ODT are arranged.Second class value can also be programmed into storage by the logic
Second group of register at device equipment is used to open or is closed from one or more RTT for memory devices to establish
One or more settings for tODTL of corresponding RTT settings in setting.Logic can also change the first class value to first
Group register changes the second class value to second group of register, to adjust the memory devices during read or write
Signal integrity.
The device of 2. example 1 of example, the first class value may include the first class value, and first class value includes RTT_PARK's
4th resistance value of first resistor value, the second resistance value of RTT_WR, the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
The device of 3. example 2 of example, the second class value may include in response to the write order for the memory devices
And activate RTT_WR resistance for the first timing value of tODTLon_WR, in response to writing life for memory devices
Enable and deactivate the resistance of RTT_WR for the second timing value of tODTLoff_WR, in response to not for memory devices
Write order and activate RTT_NOM_WR resistance for the third timing value of tODTLon_WR_NT, in response to not needle
The 4th timing value for tODTLoff_WR_NT, the use of the resistance of RTT_NOM_WR are deactivated to the write order of memory devices
In resistance that RTT_RD is activated in response to the read command for memory devices for tODTLon_RD the 5th timing value,
The 6th timing for tODTLoff_RD for the resistance for deactivating RTT_RD in response to the read command for memory devices
Value is directed to tODTLon_RD_ for the resistance in response to not activating RTT_NOM_RD for the read command of memory devices
The 7th timing value of NT, being directed to for the resistance in response to deactivating RTT_NOM_WR not for the write order of memory devices
The 8th timing value of tODTLoff_WR_NT.
The device of 4. example 3 of example, one or more settings for tODTL can be opened or closed based on clock unit
Corresponding RTT setting, individual clock unit includes one of the following:The single clock cycle, the single clock cycle one
Part or multiple clock cycle.
The device of 5. example 4 of example, the logic for changing the second class value may include for by one or more clocks
Unit is added to one or more of the described first, second, third, fourth, the 5th, the 6th, the 7th or the 8th timing value or will
One or more clock units are from one in the timing value of described first, second, third, fourth, the five, the six, the 7th or the 8th
The logic subtracted in a or multiple.
The device of 6. example 1 of example, first group of register and second group of register may include for memory devices
Mode register in.
The device of 7. example 1 of example, memory devices can be located at DIMM.Memory devices may include positioned at
In the row in multiple rows of memory devices at DIMM.
The device of 8. example 7 of example, DIMM can be RDIMM, LRDIMM, FB-DIMM, UDIMM or SODIMM.
The device of 9. example 1 of example, memory devices may include nonvolatile memory or volatile memory.
The device of 10. example 9 of example, volatile memory can be DRAM.
The device of 11. example 9 of example, nonvolatile memory can be three dimensional intersection point memories, using chalcogenide
The memory of phase-change material, multi-threshold level n AND flash memories, NOR flash memory, single-stage or multi-level phase change memory (PCM), resistance are deposited
Reservoir, nanometer linear memory, ferroelectric transistor random access memory (FeTRAM), combines memristor skill at ovonic memory
Magnetoresistive RAM (MRAM) memory or spin-transfer torque MRAM (STT-MRAM) of art.
A kind of 12. exemplary method of example may include programming the first class value at the controller for memory devices
First group of register at memory devices, to establish one or more RTT settings for ODT at memory devices.
This method can also include that second group of register being programmed into the second class value at the memory devices is used to open with establishing
Or close from for the memory devices one or more RTT setting in corresponding RTT setting for the one of tODTL
A or multiple settings.This method can also include changing the first class value to first group of register or changing the second class value to the
Two groups of registers, to adjust the signal integrity of the memory devices during read or write.
The method of 13. example 12 of example, the first class value may include the first resistor value of RTT_PARK, RTT_WR second
4th resistance value of resistance value, the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
The method of 14. example 13 of example, the second class value may include in response to writing life for the memory devices
Enable and activate the resistance of RTT_WR for the first timing value of tODTLon_WR, in response to writing for memory devices
Order and deactivate RTT_WR resistance for the second timing value of tODTLoff_WR, in response to not set for memory
Standby write order and the resistance that activates RTT_NOM_WR for the third timing value of tODTLon_WR_NT, in response to not
For memory devices write order and deactivate RTT_NOM_WR resistance for tODTLoff_WR_NT the 4th timing value,
The 5th timing for tODTLon_RD for the resistance for activating RTT_RD in response to the read command for memory devices
Value, in response to the read command for memory devices and deactivate RTT_RD resistance for the 6th of tODTLoff_RD
Timing value is directed to tODTLon_ for the resistance in response to not activating RTT_NOM_RD for the read command of memory devices
The 7th timing value of RD_NT, for the resistance in response to deactivating RTT_NOM_WR not for the write order of memory devices
For the 8th timing value of tODTLoff_WR_NT.
The method of 15. example 14 of example is used to open or closes the one or more for tODTL of corresponding RTT settings
Setting can be based on clock unit, and individual clock unit includes one of the following:Single clock cycle, single clock cycle
A part or multiple clock cycle.
Example 16. according to the method for example 15, one or more clock units can be added to described first by the second class value,
One or more of timing value of second, third, fourth, fifth, the six, the 7th or the 8th or by one or more clock units
It is subtracted from one or more of timing value of described first, second, third, fourth, the five, the six, the 7th or the 8th.
The method of 17. example 12 of example, first group of register and second group of register may include being set for memory
In standby mode register.
18. method 12 of example, memory devices can be located at DIMM.Memory devices may include at DIMM
Multiple rows of memory devices in a row in.
The method of 19. example 18 of example, DIMM can be RDIMM, LRDIMM, FB-DIMM, UDIMM or SODIMM.
The method of 20. example 12 of example, memory devices may include nonvolatile memory or volatile memory.
Method of the example 21. as described in example 20, volatile memory can be DRAM.
The method of 22. example 20 of example, nonvolatile memory can be three dimensional intersection point memories, using chalcogenide
The memory of phase-change material, multi-threshold level n AND flash memories, NOR flash memory, single-stage or multi-level phase change memory (PCM), resistance are deposited
Reservoir, nanometer linear memory, ferroelectric transistor random access memory (FeTRAM), combines memristor skill at ovonic memory
Magnetoresistive RAM (MRAM) memory or spin-transfer torque MRAM (STT-MRAM) of art.
The example of 23. at least one machine readable media of example may include multiple instruction, in response to being executed by the system
System can be made to execute the method according to any of example 12 to 22.
A kind of 24. exemplary device of example may include the unit for executing the method for any example in example 12 to 22.
A kind of 25. example system of example may include DIMM.The system can also include on DIMM arranged in rows
Multiple memory devices.The system can also include the memory devices in multiple memory devices.Memory devices packet
It includes in the row in multiple rows of.Memory devices may include controller, which includes logic, and at least part can be with
It is hardware.First class value can be programmed into first group of register at memory devices by logic, to be built at memory devices
Vertical one or more RTT for ODT are arranged.Second class value can also be programmed into second group at memory devices by the logic
Register is set with establishing the corresponding RTT being used to open or close in one or more RTT settings for memory devices
The one or more settings for tODTL set.First class value can also be changed to first group of register or be incited somebody to action by logic
Second class value changes to second group of register, to adjust the signal integrity of the memory devices during read or write.
For example 26. in the system of example 25, the first class value may include the first resistor value of RTT_PARK, RTT_WR
4th resistance value of second resistance value, the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
The system of 27. example 26 of example, the second class value may include in response to writing life for the memory devices
Enable and activate the resistance of RTT_WR for the first timing value of tODTLon_WR, in response to writing for memory devices
Order and deactivate RTT_WR resistance for the second timing value of tODTLoff_WR, in response to not set for memory
Standby write order and the resistance that activates RTT_NOM_WR for the third timing value of tODTLon_WR_NT, in response to not
For memory devices write order and deactivate RTT_NOM_WR resistance for tODTLoff_WR_NT the 4th timing value,
The 5th timing for tODTLon_RD for the resistance for activating RTT_RD in response to the read command for memory devices
Value, in response to the read command for memory devices and deactivate RTT_RD resistance for the 6th of tODTLoff_RD
Timing value is directed to tODTLon_ for the resistance in response to not activating RTT_NOM_RD for the read command of memory devices
The 7th timing value of RD_NT, for the resistance in response to deactivating RTT_NOM_WR not for the write order of memory devices
For the 8th timing value of tODTLoff_WR_NT.
The system of 28. example 27 of example is used to open or closes the one or more for tODTL of corresponding RTT settings
Setting can be based on clock unit, and individual clock unit includes the part or more of single clock cycle, single clock cycle
One in a clock cycle.
The system of 29. example 28 of example, when the logic for changing the second class value may include for by one or more
Clock unit be added to one or more of timing value of described first, second, third, fourth, the five, the six, the 7th or the 8th or
By one or more clock units from the timing value of described first, second, third, fourth, the five, the six, the 7th or the 8th
The logic subtracted in one or more.
The system of 30. example 25 of example, first group of register and second group of register may include being set for memory
In standby mode register.
System of the example 31. as described in example 25, DIMM can be RDIMM, LRDIMM, FB-DIMM, UDIMM or
SODIMM。
System of the example 32. as described in example 25, the multiple memory devices may include nonvolatile memory or
Volatile memory.
System of the example 33. as described in example 32, volatile memory can be DRAM.
The system of 34. example 32 of example, nonvolatile memory include three dimensional intersection point memory, using chalcogenide phase
Become memory, multi-threshold level n AND flash memories, NOR flash memory, single-stage or multistage PCM, Memister, the two-way storage of material
Device, nanometer linear memory, FeTRAM, MRAM, the memory or STT-MRAM for combining memristor technology.
It is emphasized that providing the abstract of the disclosure to meet 37C.F.R. 1.72 (b) sections, it is desirable that abstract, Ke Yiyun
Perhaps reader quickly determines essence disclosed in technology.It should be understood that abstract be not used in explanation or limitation the scope of the claims or
Meaning.In addition, in the previous detailed description, it can be seen that, will be each in single embodiment in order to simplify the purpose of the disclosure
Kind feature is combined.This disclosed method is not necessarily to be construed as reflecting that example claimed is required than each right
The intention of the more features clearly described in it is required that.On the contrary, as the following claims reflect, subject of the present invention exists
In less than disclosed exemplary all features.Therefore, following following claims is incorporated into detailed description, wherein each right is wanted
It asks independently as individual example.In the following claims, term " including (including) " and " wherein (in
Which it) " is used separately as respective term " including (comprising) " and the plain English of " (wherein) wherein " is equal to word.
In addition, term " first ", " second ", " third " etc. are used only as label, it is not intended to apply numerical requirements to its object.
Although with specific to the language description of structural features and or methods of action theme, but it is to be understood that institute
The theme limited in attached claim is not necessarily limited to above-mentioned specific features or action.On the contrary, above-mentioned specific features and action quilt
It is disclosed as realizing the exemplary forms of claim.
Claims (25)
1. a kind of device, including:
Controller for memory devices comprising at least part of logic, the logic includes hardware, and the logic is used
In:
First class value is programmed into first group of register at the memory devices, to establish needle at the memory devices
One or more internal resistances to terminating (ODT) on tube core terminate (RTT) setting;
Second class value is programmed into second group of register at the memory devices, needle is come to establish to be used to open or close
What the corresponding RTT during one or more RTT of the memory devices are arranged was arranged is directed to ODT delay timings (tODTL)
One or more setting;
First class value is changed to first group of register or changes second class value to second group of deposit
Device, to adjust the signal integrity of the memory devices during read or write.
2. device as described in claim 1, including:First class value includes the first resistor value of RTT_PARK, RTT_WR
Second resistance value, the 4th resistance value of the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
3. device as claimed in claim 2, including:Second class value includes in response to being directed to the memory devices
Write order and activate RTT_WR resistance for the first timing value of tODTLon_WR, in response to being directed to the storage
The write order of device equipment and deactivate RTT_WR resistance for tODTLoff_WR the second timing value, be used in response to not needle
The third timing for tODTLon_WR_NT for the resistance that RTT_NOM_WR is activated to the write order of the memory devices
Value, being directed to for the resistance in response to deactivating RTT_NOM_WR not for the write order of the memory devices
The 4th timing value of tODTLoff_WR_NT, for activating RTT_RD's in response to the read command for the memory devices
Resistance for the 5th timing value of tODTLon_RD, for being deactivated in response to the read command for the memory devices
The resistance of RTT_RD for tODTLoff_RD the 6th timing value, in response to not be directed to the memory devices reading
Order and activate the resistance of RTT_NOM_RD for tODTLon_RD_NT the 7th timing value, in response to not be directed to institute
State the write order of memory devices and the 8th timing value for tODTLoff_WR_NT of the resistance of deactivated RTT_NOM_WR.
4. device as claimed in claim 3, including:Be used to open or close corresponding RTT settings is directed to the described of tODTL
One or more setting is based on clock unit, and individual clock unit includes one of the following:Single clock cycle, list
The part of a clock cycle or multiple clock cycle.
5. device as claimed in claim 4, when the logic for changing second class value includes by one or more
Clock unit is added to first timing value, second timing value, the third timing value, the 4th timing value, described
One or more of five timing values, the 6th timing value, the 7th timing value or described 8th timing value will be described
One or more clock units from first timing value, second timing value, the third timing value, it is described 4th timing
One or more of value, the 5th timing value, the 6th timing value, the 7th timing value or the 8th timing value
In the logic that subtracts.
6. device as described in claim 1, including first group of register and second group of register are included in and are used for
In the mode register of the memory devices.
7. device 1, including it is located at the memory devices at dual inline memory modules (DIMM), the memory devices packet
It includes in the row in multiple rows of memory devices at the DIMM.
8. device as claimed in claim 7, the DIMM includes the DIMM (RDIMM) of registration, loads reduced DIMM
(LRDIMM), DIMM (FB-DIMM), non-cushioned DIMM (UDIMM) or the small shape (SODIMM) completely buffered.
9. device as described in claim 1, including the memory devices include nonvolatile memory or volatile storage
Device, wherein the volatile memory includes dynamic random access memory (DRAM), and the nonvolatile memory includes three
Tie up cross point memory, using the memory of chalcogenide phase change material, multi-threshold level n AND flash memories, NOR flash memory, single-stage or
Multi-level phase change memory (PCM), resistance-type memory, ovonic memory, nanometer linear memory, ferroelectric transistor arbitrary access are deposited
Reservoir (FeTRAM), magnetoresistive RAM (MRAM) memory comprising memristor technology or spin-transfer torque MRAM
(STT-MRAM)。
10. a kind of method, including:
At the controller for memory devices, first group of deposit the first class value being programmed at the memory devices
Device is set with being established at the memory devices for the one or more internal resistances termination (RTT) for terminating (ODT) on tube core
It sets;
Second class value is programmed into second group of register at the memory devices and comes from needle to establish to be used to open or close
What the corresponding RTT during one or more RTT of the memory devices are arranged was arranged is directed to ODT delay timings (tODTL)
One or more setting;And
First class value is changed to first group of register or changes second class value to second group of deposit
Device, to adjust the signal integrity of the memory devices during read or write.
11. method as claimed in claim 10, including:First class value includes the first resistor value of RTT_PARK, RTT_
4th resistance value of the second resistance value of WR, the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
12. method as claimed in claim 11, including:Second class value includes for being set in response to being directed to the memory
Standby write order and the resistance that activates RTT_WR for the first timing value of tODTLon_WR, in response to being directed to described deposit
The write order of storage device and deactivate RTT_WR resistance for tODTLoff_WR the second timing value, be used in response to not
The third timing for tODTLon_WR_NT for the resistance for activating RTT_NOM_WR for the write order of the memory devices
Value, being directed to for the resistance in response to deactivating RTT_NOM_WR not for the write order of the memory devices
The 4th timing value of tODTLoff_WR_NT, for activating RTT_RD's in response to the read command for the memory devices
Resistance for the 5th timing value of tODTLon_RD, for being deactivated in response to the read command for the memory devices
The resistance of RTT_RD for tODTLoff_RD the 6th timing value, in response to not be directed to the memory devices reading
Order and activate the resistance of RTT_NOM_RD for tODTLon_RD_NT the 7th timing value, in response to not be directed to institute
State the write order of memory devices and the 8th timing value for tODTLoff_WR_NT of the resistance of deactivated RTT_NOM_WR.
13. method as claimed in claim 12, including:It is used to open or closes the institute for tODTL of corresponding RTT settings
It is based on clock unit to state one or more settings, and individual clock unit includes one of the following:The single clock cycle,
The part of single clock cycle or multiple clock cycle.
14. method as claimed in claim 13, it includes that one or more clock units are added to institute to change second class value
State the first timing value, second timing value, the third timing value, the 4th timing value, the 5th timing value, described
One or more of 6th timing value, the 7th timing value or described 8th timing value or by one or more of clocks
Unit is determined from first timing value, second timing value, the third timing value, the 4th timing value, the described 5th
It is subtracted in one or more of duration, the 6th timing value, the 7th timing value or described 8th timing value.
15. method as claimed in claim 10, including first group of register and second group of register are included in use
In the mode register of the memory devices.
16. method 10, including it is located at the memory devices at dual inline memory modules (DIMM), the memory devices
It is included in the row in multiple rows of memory devices at the DIMM.
17. at least one machine readable media for including multiple instruction, the multiple instruction makes in response to being executed by the system
The system executes the method according to any one of claim 10 to 16.
18. a kind of includes the device for the unit for requiring the method described in any one of 10 to 16 for perform claim.
19. a kind of system, including:
Dual inline memory modules (DIMM);
Multiple memory devices on the DIMM arranged in rows;
Memory devices in the multiple memory devices, the memory devices be included in it is described it is multiple rows of in a row
In, the memory devices include controller, and the controller includes logic, and at least part of the logic includes hardware,
The logic is used for:
First class value is programmed into first group of register at the memory devices, to establish needle at the memory devices
One or more internal resistances to terminating (ODT) on tube core terminate (RTT) setting;
Second class value is programmed into second group of register at the memory devices, needle is come to establish to be used to open or close
What the corresponding RTT during one or more RTT of the memory devices are arranged was arranged is directed to ODT delay timings (tODTL)
One or more setting;
First class value is changed to first group of register or changes second class value to second group of deposit
Device, to adjust the signal integrity of the memory devices during read or write.
20. system as claimed in claim 19, including:First class value includes the first resistor value of RTT_PARK, RTT_
4th resistance value of the second resistance value of WR, the 3rd resistor value of RTT_NOM_WR or RTT_NOM_RD.
21. system as claimed in claim 20, including:Second class value includes for being set in response to being directed to the memory
Standby write order and the resistance that activates RTT_WR for the first timing value of tODTLon_WR, in response to being directed to described deposit
The write order of storage device and deactivate RTT_WR resistance for tODTLoff_WR the second timing value, be used in response to not
The third timing for tODTLon_WR_NT for the resistance for activating RTT_NOM_WR for the write order of the memory devices
Value, being directed to for the resistance in response to deactivating RTT_NOM_WR not for the write order of the memory devices
The 4th timing value of tODTLoff_WR_NT, for activating RTT_RD's in response to the read command for the memory devices
Resistance for the 5th timing value of tODTLon_RD, for being deactivated in response to the read command for the memory devices
The resistance of RTT_RD for tODTLoff_RD the 6th timing value, in response to not be directed to the memory devices reading
Order and activate the resistance of RTT_NOM_RD for tODTLon_RD_NT the 7th timing value, in response to not be directed to institute
State the write order of memory devices and the 8th timing value for tODTLoff_WR_NT of the resistance of deactivated RTT_NOM_WR.
22. system as claimed in claim 21, including:It is used to open or closes the institute for tODTL of corresponding RTT settings
It is based on clock unit to state one or more settings, and individual clock unit includes one of the following:The single clock cycle,
The part of single clock cycle or multiple clock cycle.
23. system as claimed in claim 21, the logic for changing second class value includes will be one or more
Clock unit is added to first timing value, second timing value, the third timing value, the 4th timing value, described
One or more of 5th timing value, the 6th timing value, the 7th timing value or described 8th timing value or by institute
One or more clock units are stated from first timing value, second timing value, the third timing value, the described 4th to determine
One or more in duration, the 5th timing value, the 6th timing value, the 7th timing value or the 8th timing value
The logic subtracted in a.
24. system as claimed in claim 19, including first group of register and second group of register are included in use
In the mode register of the memory devices.
25. system as claimed in claim 19, including the multiple memory devices include nonvolatile memory or volatile
Property memory, wherein the volatile memory includes dynamic random access memory (DRAM), the nonvolatile memory
Including three dimensional intersection point memory, using the memory of chalcogenide phase change material, multi-threshold level n AND flash memories, NOR flash memory,
Single-stage or multi-level phase change memory (PCM), resistance-type memory, ovonic memory, nanometer linear memory, ferroelectric transistor are random
Access memory (FeTRAM), magnetoresistive RAM (MRAM) memory or spin-transfer torque comprising memristor technology
MRAM(STT-MRAM)。
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CN202210811188.2A CN115079955A (en) | 2016-03-04 | 2017-01-16 | Techniques for die termination based commands |
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PCT/US2017/013658 WO2017151229A1 (en) | 2016-03-04 | 2017-01-16 | Techniques for command based on die termination |
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KR20180113520A (en) | 2018-10-16 |
EP3423932A1 (en) | 2019-01-09 |
KR20230154286A (en) | 2023-11-07 |
EP3423932B1 (en) | 2021-05-05 |
CN115079955A (en) | 2022-09-20 |
US20170255412A1 (en) | 2017-09-07 |
WO2017151229A1 (en) | 2017-09-08 |
TWI713033B (en) | 2020-12-11 |
CN108604168B (en) | 2022-08-02 |
TW201735041A (en) | 2017-10-01 |
EP3423932A4 (en) | 2019-11-13 |
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